gamehelp.java

最近弄的一个跨栏小游戏

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;


public class GameHelp {

	public GameHelp(GameScreen gs){
		this.gs = gs;
	}

	public void init(){}
	
	public void paint(Graphics g){
		g.setClip(0, 0, GameScreen.screenW, GameScreen.screenH);
		GameMenu.drawBack(0, g);
		GameUtils.drawString(g, "2008奥运将至,我们都期待刘翔的再次冲刺,现在我们来加油吧!  游戏中将重现那激动人心的时刻,你是否准备好了? " +
				             "游戏的操作很简单,5键跳跃,6键向前冲,碰到栏会减速,记着别抢跑!", null, 0x000000, 20, 40, 140, 120, row, 25);
		GameMenu.drawIcons(1, GameScreen.screenW-25, GameScreen.screenH-20, g);
	}
	
	public void run(){
		doLogic();
	}
	
	public void keyPress(int keyCode){
		if(gs.getGameAction(keyCode)==Canvas.UP || keyCode==Canvas.KEY_NUM2)
			row--;
		if(gs.getGameAction(keyCode)==Canvas.DOWN || keyCode==Canvas.KEY_NUM8)
			row++;
		if(keyCode==-7)
			gs.setGameState(GameScreen.MAINMENU);
	}
	
	public void doLogic(){
		if(row<0)
			row = 0;
		if(row>=4)
			row = 4;
	}
	
	private GameScreen gs = null;
	private int row;
}